Harmful symptoms
The disease damages the leaves, initially scattered yellow-brown dots on the leaves, followed by irregular-shaped lesions, pale brown to greyish white, dark brown to purple-purple edges, diseased and healthy junctions, and black spots on the late lesions. The pathogenic Ascospora casket, the final lesion was gray to gray brown dry dead off.
Prevention points
1 Select resistant varieties, sowing disease-free seeds, self-retaining species can be used alone disease-free soybean meal shedding.
2 seed disinfection. Before sowing, the seeds were soaked in warm water of 55°C for 30 minutes for disinfection.
3 Using high hoe cultivation, reasonable close planting, adequate base fertilizer, increased application of phosphorus and potash fertilizer, avoiding the accumulation of water in the field, promptly clean up the diseased tissue after harvest, and concentrate destroy or high-temperature fertilizer.
4 Pharmacy control: spraying the beginning of the disease prevention and treatment, every 7 to 10 days 1, 2 or 3 times. The agent can be selected from 70% of Verdot-Ktop WP 1000 times, or 50% of acetaminophen WP 1200 times, or 70% of Mancozeb WP 600 times.
Lesinurad Intermediates
Cas 878671-99-9,Lesinurad Intermediates,Cas 878671-98-8 Lesinurad Intermediates,Cas 878671-96-6 Lesinurad Intermediates
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